Establishment of Chittaranjan Locomotive took place during which Five Year Plan?

Chittaranjan Locomotive Works (CLW) was established in 1950 during the First Five Year Plan as a first step towards achieving self-sufficiency in the infrastructure sector. It is named after the Indian freedom-fighter Chittaranjan Das. It is a state-owned electric locomotive manufacturer that is located at Chittaranjan in Asansol. West Bengal.